All SOPs SOP: Tunnel test Tunnel test SOP. Updated May 2022. Download File Share this article All SOPs SOP: Preparation of experimental huts for evaluation of IRS Read more All SOPs SOP: Spraying with the potter tower Read more All SOPs SOP: IRS Block Preparation Read more All SOPs SOP: Indoor residual spraying of experimental huts for evaluation of insecticides Read more All SOPs SOP: Cone bioassay on IRS treated surfaces in experimental huts Read more All SOPs SOP: Cone bioassay of treated blocks Read more